Bell ringer and line lock



(J. SPIRU. BELL RINGER AND LINE LOCK. APPLICATION FILED LAN. :2, 1921.

l 4 1 0, '7 '7 3. Patented Mar. 28, 1922.

2 SHkETS-SHEET I.

C. SPIRO.

BELL RINGER AND LINE LOCK.

APPLICATION FILED .IAN.12 192l- Patented Mar. 28, 1922.

2 SHEETS-SHEET 2.

UNETED STATES PATENT @IFFHCZE GHARLES SPIRO, OF NEW YORK. N. Y.,ASSIGNOR T0 FEDERAL ADDING MACHINE CORPORATION, OF NEW YORK, N. Y., A.CORPORATION OF NEW YORK.

BELL RINGER AND LINE LOCK.

Specification of Letters Patent.

Patented Mar. 28, 11922.

Original application filed September 7, 1920, Serial No. 372,070.Divided and this application filed January 12, 1921.

To all whom it may concern Be it known that I, CHARLES SPIRO, a citizenof the United States, residing at New York, in the county of New Yorkand State of New York, have invented certain new and useful Improvementsin Bell Ringers and Line Locks, of which the following is aspecification. I

This invention relates to a bell ringer and line lock and comprises adivision of my application filed September 7, 1920, Serial No. 372,070for carriage control mechanism.

The invention has for an object to provide a novel and improvedconstruction in which the bell hammer is directly actuated by thecarriage stop to ring a bell in its preliminary movement and a furtheractuation thereof causes the hammer to directly engage a line lockmechanism. 1

Another ob ect of the invention is to present a new structure of unitfor controlling the bell, line lock, and margin abutment and adapted forunitary release of these parts.

A further object of the invention is to provide an improved form ofcarriage stop adapted to cooperate With a fl anged collar to rotate thesame to different extents for the successive actuation of the bellringer and line lock. r

Other and further objects and advantages of the invention will behereinafter set forth and the novel features thereof defined bytheappended claims.

In the drawings- Figure 1 is a front elevation of the invention applied;

Figure 2 is a vertical section on line 2-2 of Figure 1;

Figure 3 is a detail perspective of the actuating collar; and

Figure 4 is a similar view of a carriage stop.

Like numerals refer to like parts in the several figures of thedrawings.

The numeral 10 designates the frame of a typewriter, which may be of anydesired construction or configuration, and supports the usual carriage11 provided with a platen 12. At the front of the top plate 13 of theframe a supporting rod 14 is pivotal-1y mounted in any desired mannerand carries tabulator abutments 17, the leftmost member 18 thereof beingsecured to the rod as disserial No. 436,707.

closed in my application filed September 7, 1920, Serial N 0. 372,070.

The rod 14; also carries a collar 60 which forms a unit for the marginabutment, bellringing and line lock connections. The end of this collarnext the tabulator abutment 18 is provided with a pivoting slot 61 toreceive the pivots 62 of the margin abutment 63 which is of yoke shapeto embrace the col -lar. The abutment is also provided with a lateralarm 65 which carries a curved spring 66 resting upon the upper face ofthe collar. This margin abutment rests against the tabulator abutment 18when in operative position and the latter receives the impact uponcontact with a carriage stop in the travel of the carriage towardtheright. In the carriage movement toward the left the margin abutmentyields upon its pivot against the tenslon of its spring to permit thestop to pass.

For the purpose of rocking the collar to release the margin abutment orthe line-lock it is provided with a rib 68 having at one face a contact69 disposed to be engaged by a release lever 70. This lever is formedwith a collar 71 mounted upon a pivot 27 and deflected arm 72 having apivotal connection with a sliding margin release key 73 mounted ina'suitable support at the front of the typewriter.

The collar 60 is also provided with a cam face or flange 75 disposed ina plane to be actuated by a bell and lock stop 76 mounted upon thecarriage. This stop is slidingly mounted upon a rod 51 carried by thearms 52 of the carriage frame and comprises parallel side walls 53extended beneath a rack 5 1 and adapted to engage the teeth thereof. Thestopis normally retained in such engagement by a spring 56 securedthereto and bearing against the inner face of the rack. The stop is alsoformed with a finger piece 57 for its disengagement from the rack and anindicating finger 58 to cooperate with an indicating scale 59 upon theupper face of the rack. The carriage stop 22 for the margin abutment issimilar in constructionto the stop so far described, but the bell andlock stop is provided with depending contacts 77 and 78 of differentlengths to successively impart different degrees of oscillation to thecollar at spaced intervals.

- shown at 83.

At the opposite end of the collar from the flange 75 a bell ringing arm79 1s secured and in the present instance comprises a bell hammer 80adapted to contact with a bell 81 carried by a bracket 82 upon themachine frame in the usual manner. When the flange 75 contacts with thestop 77 the collar is rocked to such an extent as to withdraw the bellhammer to the position indicated by dotted lines'in Figure 2, and as theflange leaves the stop 77 the hammer is restored or thrown into contactwith the bell by any desired form of spring, such as In the continuedmovement of the bell and lock stop, the face 78 thereof furtherdepresses the cam flange and rocks the bell hammer to agreater extent soas to contact with the face 84 of the rock lever 85 which is pivoted at86 upon a fixed support 87. The lower end 88 of this rock lever carriesa pivoted link 89 extending to an arm 90 upon the axis of a pivotedlocking bail 91 disposed beneath the locking face 92 of the key lever 93mounted in the machine frame in the ordinary manner. The locking leveris restored to inoperative position by a tension spring 94, as shown inFigure 2.

If it. be desired to release the line lock for further writing at thismargin of the paper, a depression of the margin release key rocks thecam flange to withdraw the hammer from the rock lever and the springthereon 7 then releases the bail from the key lever,

while the spring upon the hammer constantly tensions the same intoinoperative position.

It will be seen that this construction provides for the direct operationof the bell hammer by the carriage stop and the subsequent directactuation by the hammer of the line look. This simplifies the structureand dispenses with the connecting parts used in the prior art so as tosecure a ositive operation with the minimum of friction and maximum ofefficiency. p

The unit construction provides a single member for controlling the bellringer, line lock and margin abutment and such member adapted for therelease of either said abutment or the line lock. While the inventionhas been designed for application at the front of a typewriter above thekey board thereof it may be otherwise disposed thereon. The bell andlock stop for the carriage is particularly adapted to cooperate withrocking control collar herein disclosed.

While the specific construction of this mechanism has been shown anddescribed, still the invention is not confined thereto, as changes andalterations may be made therein without departing from the spirit of theinvention.

What I claim is- 1. In a typewriter, a frame, a carriage thereon, asupport upon the frame, a collar pivoted upon said support and providedwith an actuating flange, a bell hammer carried by said collar, a linelock device having a member disposed in the path of travel of saidhammer, and means upon the carriage to engage said flange.

2.\In a typewriter, a frame, thereon, a support upon the frame, a collarpivoted upon said support and provided with an actuating flan e, a bellhammer carried by said collar, a l1ne lock device having a memberdisposed in the path of travel of said hammer, a margin abutment carriedby said collar, means upon the carriage to engage said flange andabutment, and a key connected to rock said collar to release either saidline lock or abutment.

3. In a typewriter, ,a frame, a carriage mounted thereon and providedwith a belland lock stop, a support upon the frame, a collar pivotedupon said support and provided with a cam flange disposed in the path oftravel of said stop, a bell engaging member carried by said collar, aline lock device having a part: disposed in the path of said bellengaging member, contacts upon said stop to actuate said cam fordifferent degrees of travel,and means to rock said collarflange out ofthe path of said contacts.

4. In a typewriter, a frame, a carriage mounted thereon and providedwith a bell and lock stop, a support upon the frame, a collar pivotedupon said support and provided with a cam flan "e, a bell hammercarried-by said collar, a line lock lever disposed in the path of saidhammer, contacts upon said stop disposed to successively actuate saidcam for difi'erent'degrees of travel, and a release key connected torock said collar and flange out of the path of said contacts.

5. In a typewriter, a frame, a carriage mounted thereon, a bell and lockactuating unit movably mounted upon the frame, a bell engaging memberfrom said unit, a line 100 ing device disposed in the path of saidmember to be actuated thereby, and means upon the carriage forsuccessively imparting different degrees of movement to said unit.

6. In a typewriter, a frame, a carriage mounted thereon, a stop upon thecarriage, a bell and lock actuating unit movably mounted upon the frame,a bell engaging member from said unit, a line lock lever having one endin the path of said member, a key lever,=a pivoted bail beneath thesame,

and a link connecting an arm from said bail with said lock lever.

7. In a typewriter, a frame, a carriage mounted thereon, a stop upon thecarriage, a bell and lock actuating unit movably mounted upon the frame,a bell engaging member from said unit, means for tensioning said membertoward the bell, a line lock a carriage ward said member, a key lever, apivoted locking bail beneath the same, and a link connecting said bailwith said lock lever.

8. In a typewriter, a frame, a carriage mounted thereon, a stop upon thecarriage, a cooperating bell and lock actuating unit movably mountedupon the frame, a bell hammer carried by said unit, a line lock leverhaving a contact face at its upper end disposed in the path of saidhammer, a key -lever provided with a depending locking face, a swinginglocking bail disposed beneath said key lever and having an actuatingarm, and a link connecting said arm and lock lever.

9. In a typewriter, a frame, a carriage mounted thereon, a bell upon theframe, a bell and lock actuating unit thereon, a bell striking membercarried by said unit, a line locking device having a part in the path ofsaid member, and a stop device upon the carriage having contact faces.of different lengths to successively engage said actuating unit.

10. In a typewriter, a frame, a carriage mounted thereon, a rockinglocking unit upon the frame provided with a cam flange and a dependingarm, a bell disposed'to be engaged by said arm, a line locking devicedisposed to be engaged by said arm, and a stop device upon the carriagehaving spaced contact faces of different lengths to successively engagesaid flange.

11. In a typewriter, a frame, a carriage mounted thereon, a rockingcollar upon the vided with a slide rod, a rack member disframe, a bellringing and line lock member carried by said collar, means upon thecarriage for rocking said collar, a release lever uponthe frame engagingsaid collar, and a sliding release key pivotally connected to saidlever.

12. In a typewriter, a frame, a carriage mounted thereon, a rockingcollar upon said frame, a bell ringing and line lock member carried bysaid collar, a margin abutment pivoted to said collar and provided witha lateral arm, a restoring spring carried by said arm to engage saidcollar, a contact face upon said collar, and arelease key connected toengage said face.

13. In a typewriter, a bell and lock stop comprising a body having anupwardly disposed rack tooth and depending spaced parallel contacts ofsuccessively increasing lengths.

14. In a typewriter, a bell and lock stop comprising a slidable bodyhaving rack engaging walls and horizontal extensions? therefrom providedwith depending con-' tacts of increasing lengths.

15; In a typewriter, a carriage frame proposed parallel thereto andhaving indicaindications, and spaced depending bell and lock contactscarried by sai stop.

16. In a typewriter, a bell and lock actuating unit comprising a collarhaving at one end a cam flange and release lug and at its opposite endan angularly disposed bell and lock member. 7

17. In atypewriter, a bell and lock actuating unit comprising a collarhaving at one end a cam flange and release lug and at its opposite endan angularly disposed bell and lock contact member, a margin abutmentpivoted upon said.collar, and a restoring spring carried thereby andbearing upon said collar.

18. In a typewriter, a pivoted bell and lock unit having a dependinghammer arm, carriage controlled means for swinging said arm fordifferent extents of travel, a bell disposed in the path of the free"end of said arm at one side thereof, and a line lock device disposed insaid path at the opposite side of said arm end.

19. In a typewriter, a frame, a carriage thereon, a supporting member atthe front of the frame, a tabulator abutment carried by said member, aunit mounted upon said member and provided with a margin abutmentdisposed to engage the tabulator abutment, bell ringing and line lockactuating means upon said unit, and means upon the carriage cooperatingwith the several means carried by said unit.

20. In a typewriter, a frame, a carriage thereon provided with a marginstop, a rod mounted upon said frame, a collar pivoted on said rod, amargin abutment pivoted on said collar and spring held in operativeposition, an abutment member carried by said rod to be engaged by saidmargin abutment, and means for rockingsaid collar.

2-1. In a typewriter, a frame, a carriage thereon provided with a marginstop, a rod mounted upon the frame, a collar pivoted upon said rod, amargin abutment pivoted -on said collar and spring held in operativesleeve secured to said frame and engaging the margin abutment when invertical posi-Y tion, and means for actuating said abutment members.

In testimony whereof I affix my si ature.

CHARLES S IE9.

